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When an exit node has been set and a new default route is added, create a new rtable in the default rdomain and add the current default route via its physical interface. When control() is requesting a connection not go through the exit-node default route, we can use the SO_RTABLE socket option to force it through the new rtable we created. Updates #17321 Signed-off-by: joshua stein <jcs@jcs.org>
29 lines
629 B
Go
29 lines
629 B
Go
// Copyright (c) Tailscale Inc & contributors
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// SPDX-License-Identifier: BSD-3-Clause
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// FreeBSD and OpenBSD routing table functions.
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//go:build freebsd || openbsd
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package netmon
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import (
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"syscall"
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"golang.org/x/net/route"
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"golang.org/x/sys/unix"
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)
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// fetchRoutingTable calls route.FetchRIB, fetching NET_RT_DUMP.
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func fetchRoutingTable() (rib []byte, err error) {
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return route.FetchRIB(syscall.AF_UNSPEC, unix.NET_RT_DUMP, 0)
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}
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func parseRoutingTable(rib []byte) ([]route.Message, error) {
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return route.ParseRIB(syscall.NET_RT_IFLIST, rib)
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}
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func getDelegatedInterface(ifIndex int) (int, error) {
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return 0, nil
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}
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